Looking at the reasoning behind that change, Mutter introduced lazy
initialisation of Xwayland: binding the two sockets, and starting
Xwayland when someone connected to the abstract namespace socket.
Flatpak apps apparently can't speak to the abstract namespace socket, so
would hang forever when started since the connection to the non-abstract
/tmp/.X11-unix socket was never accepted.
Rather than fixing the initialisation logic to start Xwayland on connect
to either socket, they dropped the abstract namespace socket. I'll talk
to the snapd folks about it, but this sounds like it should be dealt
with on the Mutter side.
** Changed in: mutter (Ubuntu)
Status: Invalid => Confirmed
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https://bugs.launchpad.net/bugs/1897224
Title:
[snap] chromium won't start on Xwayland in Ubuntu 20.10: Unable to
open X display
Status in snapd:
Confirmed
Status in chromium-browser package in Ubuntu:
Confirmed
Status in mutter package in Ubuntu:
Confirmed
Status in snapd package in Ubuntu:
Confirmed
Bug description:
I'm trying to run chromium installed via snap in Ubuntu 20.10 when
running Ubuntu Wayland session. Unfortunately, chromium wouldn't
start:
> chromium
[49244:49244:0925/094607.732169:ERROR:browser_main_loop.cc(1417)] Unable to
open X display.
I am able to run Firefox just fine (assuming that Firefox still runs
on xwayland) and also Intellij snap works fine.
ProblemType: Bug
DistroRelease: Ubuntu 20.10
ProcVersionSignature: Ubuntu 5.8.0-19.20-generic 5.8.8
Uname: Linux 5.8.0-19-generic x86_64
ApportVersion: 2.20.11-0ubuntu47
Architecture: amd64
CasperMD5CheckResult: skip
CurrentDesktop: ubuntu:GNOME
Date: Fri Sep 25 09:45:16 2020
InstallationDate: Installed on 2016-09-05 (1480 days ago)
InstallationMedia: Ubuntu-Server 16.04.1 LTS "Xenial Xerus" - Release amd64
(20160719)
Snap: chromium 85.0.4183.121 (latest/stable)
SnapSource: ubuntu/+source/chromium-browser
UpgradeStatus: No upgrade log present (probably fresh install)
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